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Douglas' spineflower

Chorizanthe douglasii

Also called Douglas's Spineflower

Douglas' spineflower
Photo: Sgerbic, CC BY-SA 4.0

Douglas' spineflower is a small annual herb in the buckwheat family, native to the Southern California Coast Ranges. It is a wildflower of dry mountain slopes and is rarely grown in gardens, so care notes come from general knowledge of native annual wildflowers.

Family
Polygonaceae (Buckwheat family)
Grows as
Annual
Light
Full sun
Water
Water lightly while seedlings establish, then let it rely on winter rain and dry out in summer.
Soil
Sandy or gritty, well-drained soil; poor soil is fine.
Temperature
10–24 °C; tolerates cool conditions but is damaged by hard frost.
How easy
Moderate
Native range
W. California
Climate
temperate

About

Chorizanthe douglasii is a species of flowering plant in the buckwheat family known by the common names San Benito spineflower and Douglas' spineflower. It is endemic to California, where it grows in the mountains of the Southern California Coast Ranges, from the Santa Lucia Range east to the Gabilan Range.

Other Chorizanthe plants

Narrowleaf spineflower · Irish Hills Spineflower · Twolobe spineflower · Blakley's spineflower · Brittle spineflower · San Luis Obispo spineflower · Wrinkled spineflower · San Francisco spineflower · Diffuse spineflower · Fringed spineflower · Mendocino spineflower · Ramona spineflower

Text excerpted from the Wikipedia article Chorizanthe douglasii by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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